4711421800112

• 471 — Country prefix (Taiwan)
• 142180011 — Manufacturer & product code
• 2 — Check digit (confirms the number is well-formed)

EAN-13 ✓ Valid check digit Registered in Taiwan

Ay tech wintrack trackball ibm dos 2.0 compatable

Search for Ay tech wintrack trackball ibm dos 2.0 compatable on Amazon (or for the code 4711421800112)